Online Parts Store › Phillips Machine Screw - Pan Head. 10-24 x 1/2" Image 1 of 1 Phillips Machine Screw - Pan Head. 10-24 x 1/2" $23.74 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screws - Flat Head, #8 x 5/8" $12.41 Nylon Flat Washer #8, 0.32" Thick, OD 3/8" $16.50 Stainless External Tooth Lock Washer 1/4" $19.78 Nylon Insert Locknut - Stainless 10-32 $25.51 Flat Washer, 3/8", .062" Thick, OD 1" $38.36